וַיִּ֣חַדְּ יִתְר֔וֹ עַ֚ל כָּל־הַטּוֹבָ֔ה אֲשֶׁר־עָשָׂ֥ה יְהוָ֖ה לְיִשְׂרָאֵ֑ל אֲשֶׁ֥ר הִצִּיל֖וֹ מִיַּ֥ד מִצְרָֽיִם׃
And Jethro rejoiced for all the goodness which the LORD had done to Israel, in that He had delivered them out of the hand of the Egyptians.
Find Mishnaic references to Exodus 18:9: , passages from the 63 tractates of the Mishnah.